Home / 30,980.43-42,752.93-16,833.33

Finding the Fourth Proportional to 30,980.43, 42,752.93 and 16,833.33

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Solution

The fourth proportional to 30,980.43, 42,752.93 and 16,833.33 is: 23,229.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,980.43 : 42,752.93 = 16,833.33 : x
  2. Step 2: Convert to fraction form
    30,980.43/42,752.93 = 16,833.33/x
  3. Step 3: Cross multiply
    30,980.43x = 42,752.93 × 16,833.33
  4. Step 4: Simplify right side
    30,980.43x = 719,674,094.99
  5. Step 5: Solve for x
    x = 719,674,094.99/30,980.43
  6. Step 6: Final answer
    x = 23,229.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.